diff --git a/Makefile b/Makefile

index 99f9b156..c65bbb05 100644

--- a/Makefile

+++ b/Makefile

@@ -823,13 +823,13 @@ LIBS_COMMON = sqlite3 libzip

 ifneq ($(OS),Windows_NT)

 	LIBS_COMMON += uuid

 endif

-LIBS_ALL = $(LIBS_COMMON) gtkmm-3.0 epoxy cairomm-pdf-1.0 librsvg-2.0 libzmq libgit2 libcurl glm libpng

+LIBS_ALL = $(LIBS_COMMON) gtkmm-3.0 epoxy cairomm-pdf-1.0 librsvg-2.0 libzmq libgit2 libcurl libpng

 OPTIMIZE = -fdata-sections -ffunction-sections -O3

 DEBUGFLAGS = -g3

 WARNFLAGS = -Wall -Wshadow

 PKG_CONFIG_LIBS := $(shell $(PKG_CONFIG) --cflags $(LIBS_ALL))

-CXXFLAGS += $(DEBUGFLAGS) $(DEFINES) $(OPTIMIZE) $(PKG_CONFIG_LIBS) -MP -MD -pthread $(WARNFLAGS) -std=c++17

+CXXFLAGS += $(DEBUGFLAGS) $(DEFINES) $(OPTIMIZE) $(PKG_CONFIG_LIBS) -I/usr/include/glm -MP -MD -pthread $(WARNFLAGS) -std=c++17

 CFLAGS = $(filter-out -Wsuggest-override, $(filter-out -std=%,$(CXXFLAGS))) -std=c99

 LDFLAGS += -lm -lpthread -lstdc++

 GLIB_COMPILE_RESOURCES := $(shell $(PKG_CONFIG) --variable=glib_compile_resources gio-2.0)