diff --git a/libpkgconf/dependency.c b/libpkgconf/dependency.c
index 1e2a116..32bd039 100644
--- a/libpkgconf/dependency.c
+++ b/libpkgconf/dependency.c
@@ -106,7 +106,7 @@ pkgconf_dependency_parse_str(pkgconf_list_t *deplist_head, const char *depends)
 		switch (state)
 		{
 		case OUTSIDE_MODULE:
-			if (!PKG_MODULE_SEPARATOR(*ptr))
+			if (!PKGCONF_IS_MODULE_SEPARATOR(*ptr))
 				state = INSIDE_MODULE_NAME;
 
 			break;
@@ -121,14 +121,14 @@ pkgconf_dependency_parse_str(pkgconf_list_t *deplist_head, const char *depends)
 
 				if (*sptr == '\0')
 					state = OUTSIDE_MODULE;
-				else if (PKG_MODULE_SEPARATOR(*sptr))
+				else if (PKGCONF_IS_MODULE_SEPARATOR(*sptr))
 					state = OUTSIDE_MODULE;
-				else if (PKG_OPERATOR_CHAR(*sptr))
+				else if (PKGCONF_IS_OPERATOR_CHAR(*sptr))
 					state = BEFORE_OPERATOR;
 				else
 					state = OUTSIDE_MODULE;
 			}
-			else if (PKG_MODULE_SEPARATOR(*ptr))
+			else if (PKGCONF_IS_MODULE_SEPARATOR(*ptr))
 				state = OUTSIDE_MODULE;
 			else if (*(ptr + 1) == '\0')
 			{
@@ -140,7 +140,7 @@ pkgconf_dependency_parse_str(pkgconf_list_t *deplist_head, const char *depends)
 			{
 				char *iter = start;
 
-				while (PKG_MODULE_SEPARATOR(*iter))
+				while (PKGCONF_IS_MODULE_SEPARATOR(*iter))
 					iter++;
 
 				package = iter;
@@ -163,7 +163,7 @@ pkgconf_dependency_parse_str(pkgconf_list_t *deplist_head, const char *depends)
 			break;
 
 		case BEFORE_OPERATOR:
-			if (PKG_OPERATOR_CHAR(*ptr))
+			if (PKGCONF_IS_OPERATOR_CHAR(*ptr))
 			{
 				state = INSIDE_OPERATOR;
 				*cnameptr++ = *ptr;
@@ -172,7 +172,7 @@ pkgconf_dependency_parse_str(pkgconf_list_t *deplist_head, const char *depends)
 			break;
 
 		case INSIDE_OPERATOR:
-			if (!PKG_OPERATOR_CHAR(*ptr))
+			if (!PKGCONF_IS_OPERATOR_CHAR(*ptr))
 			{
 				state = AFTER_OPERATOR;
 				compare = pkgconf_pkg_comparator_lookup_by_name(cmpname);
@@ -195,7 +195,7 @@ pkgconf_dependency_parse_str(pkgconf_list_t *deplist_head, const char *depends)
 			break;
 
 		case INSIDE_VERSION:
-			if (PKG_MODULE_SEPARATOR(*ptr) || *(ptr + 1) == '\0')
+			if (PKGCONF_IS_MODULE_SEPARATOR(*ptr) || *(ptr + 1) == '\0')
 			{
 				version = vstart;
 				version_sz = ptr - vstart;
diff --git a/libpkgconf/libpkgconf.h b/libpkgconf/libpkgconf.h
index 1c6be94..11cc652 100644
--- a/libpkgconf/libpkgconf.h
+++ b/libpkgconf/libpkgconf.h
@@ -104,8 +104,8 @@ struct pkgconf_pkg_ {
 	unsigned int flags;
 };
 
-#define PKG_MODULE_SEPARATOR(c) ((c) == ',' || isspace ((c)))
-#define PKG_OPERATOR_CHAR(c) ((c) == '<' || (c) == '>' || (c) == '!' || (c) == '=')
+#define PKGCONF_IS_MODULE_SEPARATOR(c) ((c) == ',' || isspace ((c)))
+#define PKGCONF_IS_OPERATOR_CHAR(c) ((c) == '<' || (c) == '>' || (c) == '!' || (c) == '=')
 
 #define PKGF_NONE			0x000
 #define PKGF_SEARCH_PRIVATE		0x001
diff --git a/main.c b/main.c
index 4292bf7..c3054d8 100644
--- a/main.c
+++ b/main.c
@@ -848,7 +848,7 @@ main(int argc, char *argv[])
 			continue;
 		}
 
-		if (argv[pkg_optind + 1] == NULL || !PKG_OPERATOR_CHAR(*(argv[pkg_optind + 1])))
+		if (argv[pkg_optind + 1] == NULL || !PKGCONF_IS_OPERATOR_CHAR(*(argv[pkg_optind + 1])))
 		{
 			pkgconf_queue_push(&pkgq, package);
 			pkg_optind++;