diff --git a/CMakeLists.txt b/CMakeLists.txt
index 1d86f6c24..e2521e785 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -245,11 +245,11 @@ target_include_directories(vir INTERFACE ${vir-simd_SOURCE_DIR}/)
 # FFTW3 is build 2 times for float and double precisions
 SET(FFTW_PREFIX ${CMAKE_CURRENT_BINARY_DIR}/fftw)
 if (EMSCRIPTEN)
-    SET(FFTW_CFLAGS "${CFLAGS} -fPIE -w")
+    SET(FFTW_CFLAGS "${CFLAGS} -fPIC -w")
     SET(FFTW_CONFIG cd ${FFTW_PREFIX}/src/ && emconfigure ./configure --enable-silent-rules --quiet --disable-fortran --prefix=${FFTW_PREFIX}/install)
     SET(FFTW_BUILD emmake make -j CFLAGS=${FFTW_CFLAGS} --silent V=0 && emmake make install --silent V=0 && emmake make clean --silent V=0)
 else ()
-    SET(FFTW_CFLAGS "${CFLAGS} -fPIE -w -O3 -march=native -mtune=native")
+    SET(FFTW_CFLAGS "${CFLAGS} -fPIC -w -O3 -march=native -mtune=native")
     SET(FFTW_CONFIG ${FFTW_PREFIX}/src/configure --enable-silent-rules --quiet --disable-fortran --prefix=${FFTW_PREFIX}/install)
     SET(FFTW_BUILD make -j CFLAGS=${FFTW_CFLAGS} --silent V=0 && make install --silent V=0 && make clean --silent V=0)
 endif ()