diff --git a/.woodpecker/process_cran_updates.yaml b/.woodpecker/process_cran_updates.yaml
index eeee4b7..0c1493f 100644
--- a/.woodpecker/process_cran_updates.yaml
+++ b/.woodpecker/process_cran_updates.yaml
@@ -51,7 +51,7 @@ steps:
       - rm -rf /mnt/cache/R-pkgs/RPostgres /mnt/cache/pkgcache/R/pkgcache
       - R -q -e 'install.packages("RPostgres", repos = structure(c(devxy = "https://cran.devxy.io/${ARCH}/${PKGS_ID}/latest", CRAN = "https://cloud.r-project.org")))'
       - R CMD INSTALL .
-      - mkdir -p /root/.R && /bin/bash -c 'echo -e "CXX_STD = CXX14\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'
+      - mkdir -p /root/.R && /bin/bash -c 'echo -e "CXX_STD = CXX14\nCC=ccache gcc\nCPP=ccache gcc\nCXX=ccache g++\nCXX11=ccache g++\nCXX14=ccache g++\nCXX17=ccache g++\nF77=gfortran\nFC=gfortran" >> /root/.R/Makevars'
       - mkdir -p /mnt/cache/pkgcache /mnt/cache/R-pkgs /mnt/cache/ccache /mnt/cache/packages
       # set additional repos: important as otherwise some packages cannot be resolved (e.g. INLA). Also: setting our own binary repos so we can make use of them for dep installation at some point
       # options(future.globals.onReference = NULL): for some reason s3fs::file_delete() throws 'Error: Detected a non-exportable reference ('externalptr') in one of the globals ('FUN' of class 'function') used in the future expression' otherwise