2 files changed, 2 insertions, 2 deletions
diff --git a/erlang.mk b/erlang.mk
index 8226e30..f97d619 100644
--- a/erlang.mk
+++ b/erlang.mk
@@ -632,7 +632,7 @@ clean::
 	$(MAKE) -C $(C_SRC_DIR) clean
 
 else
-SOURCES := $(shell find $(C_SRC_DIR) -type f -regex ".*\.\(C\|cc?\|cpp\)")
+SOURCES := $(shell find $(C_SRC_DIR) -type f \( -name "*.c" -o -name "*.C" -o -name "*.cc" -o -name "*.cpp" \))
 OBJECTS = $(addsuffix .o, $(basename $(SOURCES)))
 
 COMPILE_C = $(c_verbose) $(CC) $(CFLAGS) $(CPPFLAGS) -c
diff --git a/plugins/c_src.mk b/plugins/c_src.mk
index 734f13a..87e834b 100644
--- a/plugins/c_src.mk
+++ b/plugins/c_src.mk
@@ -55,7 +55,7 @@ clean::
 	$(MAKE) -C $(C_SRC_DIR) clean
 
 else
-SOURCES := $(shell find $(C_SRC_DIR) -type f -regex ".*\.\(C\|cc?\|cpp\)")
+SOURCES := $(shell find $(C_SRC_DIR) -type f \( -name "*.c" -o -name "*.C" -o -name "*.cc" -o -name "*.cpp" \))
 OBJECTS = $(addsuffix .o, $(basename $(SOURCES)))
 
 COMPILE_C = $(c_verbose) $(CC) $(CFLAGS) $(CPPFLAGS) -c