diff --git a/docker/Dockerfile-alpine-320 b/docker/Dockerfile-alpine-320
index 1b60120..109c5f9 100644
--- a/docker/Dockerfile-alpine-320
+++ b/docker/Dockerfile-alpine-320
@@ -33,7 +33,7 @@ RUN apk add -q --no-cache R-dev curl ca-certificates bash g++ tzdata openjdk17 t
 # https://github.com/RcppCore/Rcpp/issues/448#issuecomment-220148774
 # LDFLAGS+=-fPIC -> arrow (https://github.com/r-hub/r-minimal/blob/main/examples/arrow/Dockerfile)
 # dbarts: CFLAGS += -flax-vector-conversions (https://github.com/vdorie/dbarts/issues/66)
-RUN mkdir -p /root/.R && bash -c 'echo -e "CXX_STD = CXX14\nCFLAGS += -flax-vector-conversions\nLDFLAGS+=-fPIC"\nCC=ccache gcc\nCPP=ccache gcc\nCXX=ccache g++\nCXX11=ccache g++\nCXX14=ccache g++\nCXX17=ccache g++\nF77=ccache /usr/bin/gfortran\nFC=ccache /usr/bin/gfortran" >> /root/.R/Makevars'
+RUN mkdir -p /root/.R && bash -c 'echo -e "CXX_STD = CXX14\nCFLAGS += -flax-vector-conversions\nLDFLAGS+=-fPIC\nCC=ccache gcc\nCPP=ccache gcc\nCXX=ccache g++\nCXX11=ccache g++\nCXX14=ccache g++\nCXX17=ccache g++\nF77=ccache /usr/bin/gfortran\nFC=ccache /usr/bin/gfortran" >> /root/.R/Makevars'
 
 # R repos
 RUN bash -c 'echo -e "options(crayon.enabled = TRUE, Ncpus = ${NCPUS}, future.globals.onReference = NULL, repos = structure(c(CRAN = \"https://cloud.r-project.org\", INLA = \"https://inla.r-inla-download.org/R/stable\")))" > /root/.Rprofile'